642744

素因数分解:

$2^3\times 3^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 1778400

約数和(自身を除く): 1135656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 79, 113, 158, 226, 237, 316, 339, 452, 474, 632, 678, 711, 904, 948, 1017, 1356, 1422, 1896, 2034, 2712, 2844, 4068, 5688, 8136, 8927, 17854, 26781, 35708, 53562, 71416, 80343, 107124, 160686, 214248, 321372, 642744]

約数ペア:

[(1, 642744), (2, 321372), (3, 214248), (4, 160686), (6, 107124), (8, 80343), (9, 71416), (12, 53562), (18, 35708), (24, 26781), (36, 17854), (72, 8927), (79, 8136), (113, 5688), (158, 4068), (226, 2844), (237, 2712), (316, 2034), (339, 1896), (452, 1422), (474, 1356), (632, 1017), (678, 948), (711, 904)]